GF_EXPORT
GF_RTPHinter *gf_hinter_track_new(GF_ISOFile *file, u32 TrackNum,
u32 Path_MTU, u32 max_ptime, u32 default_rtp_rate, u32 flags, u8 PayloadID,
Bool copy_media, u32 InterleaveGroupID, u8 InterleaveGroupPriority, GF_Err *e)
{
GF_SLConfig my_sl;
u32 descIndex, MinSize, MaxSize, avgTS, streamType, oti, const_dur, nb_ch, maxDTSDelta;
u8 OfficialPayloadID;
u32 TrackMediaSubType, TrackMediaType, hintType, nbEdts, required_rate, force_dts_delta, avc_nalu_size, PL_ID, bandwidth, IV_length, KI_length;
const char *url, *urn;
char *mpeg4mode;
Bool is_crypted, has_mpeg4_mapping;
GF_RTPHinter *tmp;
GF_ESD *esd;
*e = GF_BAD_PARAM;
if (!file || !TrackNum || !gf_isom_get_track_id(file, TrackNum)) return NULL;
if (!gf_isom_get_sample_count(file, TrackNum)) {
*e = GF_OK;
return NULL;
}
*e = GF_NOT_SUPPORTED;
nbEdts = gf_isom_get_edit_segment_count(file, TrackNum);
if (nbEdts>1) {
u64 et, sd, mt;
u8 em;
gf_isom_get_edit_segment(file, TrackNum, 1, &et, &sd, &mt, &em);
if ((nbEdts>2) || (em!=GF_ISOM_EDIT_EMPTY)) {
GF_LOG(GF_LOG_ERROR, GF_LOG_RTP, ("[rtp hinter] Cannot hint track whith EditList\n"));
return NULL;
}
}
if (nbEdts) gf_isom_remove_edit_segments(file, TrackNum);
if (!gf_isom_is_track_enabled(file, TrackNum)) return NULL;
/*by default NO PL signaled*/
PL_ID = 0;
OfficialPayloadID = 0;
force_dts_delta = 0;
streamType = oti = 0;
mpeg4mode = NULL;
required_rate = 0;
is_crypted = 0;
IV_length = KI_length = 0;
oti = 0;
nb_ch = 0;
avc_nalu_size = 0;
has_mpeg4_mapping = 1;
TrackMediaType = gf_isom_get_media_type(file, TrackNum);
TrackMediaSubType = gf_isom_get_media_subtype(file, TrackNum, 1);
/*for max compatibility with QT*/
if (!default_rtp_rate) default_rtp_rate = 90000;
/*timed-text is a bit special, we support multiple stream descriptions & co*/
if ( (TrackMediaType==GF_ISOM_MEDIA_TEXT) || (TrackMediaType==GF_ISOM_MEDIA_SUBT)) {
hintType = GF_RTP_PAYT_3GPP_TEXT;
oti = GPAC_OTI_TEXT_MPEG4;
streamType = GF_STREAM_TEXT;
/*fixme - this works cos there's only one PL for text in mpeg4 at the current time*/
PL_ID = 0x10;
} else {
if (gf_isom_get_sample_description_count(file, TrackNum) > 1) return NULL;
TrackMediaSubType = gf_isom_get_media_subtype(file, TrackNum, 1);
switch (TrackMediaSubType) {
case GF_ISOM_SUBTYPE_MPEG4_CRYP:
is_crypted = 1;
case GF_ISOM_SUBTYPE_MPEG4:
esd = gf_isom_get_esd(file, TrackNum, 1);
hintType = GF_RTP_PAYT_MPEG4;
if (esd) {
streamType = esd->decoderConfig->streamType;
oti = esd->decoderConfig->objectTypeIndication;
if (esd->URLString) hintType = 0;
/*AAC*/
if ((streamType==GF_STREAM_AUDIO) && esd->decoderConfig->decoderSpecificInfo
/*(nb: we use mpeg4 for MPEG-2 AAC)*/
&& ((oti==GPAC_OTI_AUDIO_AAC_MPEG4) || (oti==GPAC_OTI_AUDIO_AAC_MPEG4) || (oti==GPAC_OTI_AUDIO_AAC_MPEG2_MP) || (oti==GPAC_OTI_AUDIO_AAC_MPEG2_LCP) || (oti==GPAC_OTI_AUDIO_AAC_MPEG2_SSRP)) ) {
u32 sample_rate;
GF_M4ADecSpecInfo a_cfg;
gf_m4a_get_config(esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, &a_cfg);
nb_ch = a_cfg.nb_chan;
sample_rate = a_cfg.base_sr;
PL_ID = a_cfg.audioPL;
switch (a_cfg.base_object_type) {
case GF_M4A_AAC_MAIN:
case GF_M4A_AAC_LC:
if (flags & GP_RTP_PCK_USE_LATM_AAC) {
hintType = GF_RTP_PAYT_LATM;
break;
}
case GF_M4A_AAC_SBR:
case GF_M4A_AAC_PS:
case GF_M4A_AAC_LTP:
case GF_M4A_AAC_SCALABLE:
case GF_M4A_ER_AAC_LC:
case GF_M4A_ER_AAC_LTP:
case GF_M4A_ER_AAC_SCALABLE:
mpeg4mode = "AAC";
break;
case GF_M4A_CELP:
case GF_M4A_ER_CELP:
mpeg4mode = "CELP";
break;
}
required_rate = sample_rate;
}
/*MPEG1/2 audio*/
else if ((streamType==GF_STREAM_AUDIO) && ((oti==GPAC_OTI_AUDIO_MPEG2_PART3) || (oti==GPAC_OTI_AUDIO_MPEG1))) {
u32 sample_rate;
if (!is_crypted) {
GF_ISOSample *samp = gf_isom_get_sample(file, TrackNum, 1, NULL);
u32 hdr = GF_4CC((u8)samp->data[0], (u8)samp->data[1], (u8)samp->data[2], (u8)samp->data[3]);
nb_ch = gf_mp3_num_channels(hdr);
sample_rate = gf_mp3_sampling_rate(hdr);
gf_isom_sample_del(&samp);
hintType = GF_RTP_PAYT_MPEG12_AUDIO;
/*use official RTP/AVP payload type*/
OfficialPayloadID = 14;
required_rate = 90000;
}
/*encrypted MP3 must be sent through MPEG-4 generic to signal all ISMACryp stuff*/
else {
u8 bps;
gf_isom_get_audio_info(file, TrackNum, 1, &sample_rate, &nb_ch, &bps);
required_rate = sample_rate;
}
}
/*QCELP audio*/
else if ((streamType==GF_STREAM_AUDIO) && (oti==GPAC_OTI_AUDIO_13K_VOICE)) {
hintType = GF_RTP_PAYT_QCELP;
OfficialPayloadID = 12;
required_rate = 8000;
streamType = GF_STREAM_AUDIO;
nb_ch = 1;
}
/*EVRC/SVM audio*/
else if ((streamType==GF_STREAM_AUDIO) && ((oti==GPAC_OTI_AUDIO_EVRC_VOICE) || (oti==GPAC_OTI_AUDIO_SMV_VOICE)) ) {
hintType = GF_RTP_PAYT_EVRC_SMV;
required_rate = 8000;
streamType = GF_STREAM_AUDIO;
nb_ch = 1;
}
/*visual streams*/
else if (streamType==GF_STREAM_VISUAL) {
if (oti==GPAC_OTI_VIDEO_MPEG4_PART2) {
GF_M4VDecSpecInfo dsi;
gf_m4v_get_config(esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, &dsi);
PL_ID = dsi.VideoPL;
}
/*MPEG1/2 video*/
if ( ((oti>=GPAC_OTI_VIDEO_MPEG2_SIMPLE) && (oti<=GPAC_OTI_VIDEO_MPEG2_422)) || (oti==GPAC_OTI_VIDEO_MPEG1)) {
if (!is_crypted) {
hintType = GF_RTP_PAYT_MPEG12_VIDEO;
OfficialPayloadID = 32;
}
}
/*for ISMA*/
if (is_crypted) {
/*that's another pain with ISMACryp, even if no B-frames the DTS is signaled...*/
if (oti==GPAC_OTI_VIDEO_MPEG4_PART2) force_dts_delta = 22;
else if (oti==GPAC_OTI_VIDEO_AVC) {
flags &= ~GP_RTP_PCK_USE_MULTI;
force_dts_delta = 22;
}
flags |= GP_RTP_PCK_SIGNAL_RAP | GP_RTP_PCK_SIGNAL_TS;
}
required_rate = default_rtp_rate;
}
/*systems streams*/
else if (gf_isom_has_sync_shadows(file, TrackNum) || gf_isom_has_sample_dependency(file, TrackNum)) {
flags |= GP_RTP_PCK_SYSTEMS_CAROUSEL;
}
gf_odf_desc_del((GF_Descriptor*)esd);
}
break;
case GF_ISOM_SUBTYPE_3GP_H263:
hintType = GF_RTP_PAYT_H263;
required_rate = 90000;
streamType = GF_STREAM_VISUAL;
OfficialPayloadID = 34;
/*not 100% compliant (short header is missing) but should still work*/
oti = GPAC_OTI_VIDEO_MPEG4_PART2;
PL_ID = 0x01;
break;
case GF_ISOM_SUBTYPE_3GP_AMR:
required_rate = 8000;
hintType = GF_RTP_PAYT_AMR;
streamType = GF_STREAM_AUDIO;
has_mpeg4_mapping = 0;
nb_ch = 1;
break;
case GF_ISOM_SUBTYPE_3GP_AMR_WB:
required_rate = 16000;
hintType = GF_RTP_PAYT_AMR_WB;
streamType = GF_STREAM_AUDIO;
has_mpeg4_mapping = 0;
nb_ch = 1;
break;
case GF_ISOM_SUBTYPE_AVC_H264:
case GF_ISOM_SUBTYPE_AVC2_H264:
case GF_ISOM_SUBTYPE_SVC_H264:
{
GF_AVCConfig *avcc = gf_isom_avc_config_get(file, TrackNum, 1);
required_rate = 90000; /* "90 kHz clock rate MUST be used"*/
hintType = GF_RTP_PAYT_H264_AVC;
streamType = GF_STREAM_VISUAL;
avc_nalu_size = avcc->nal_unit_size;
oti = GPAC_OTI_VIDEO_AVC;
PL_ID = 0x0F;
gf_odf_avc_cfg_del(avcc);
}
break;
case GF_ISOM_SUBTYPE_3GP_QCELP:
required_rate = 8000;
hintType = GF_RTP_PAYT_QCELP;
streamType = GF_STREAM_AUDIO;
oti = GPAC_OTI_AUDIO_13K_VOICE;
OfficialPayloadID = 12;
nb_ch = 1;
break;
case GF_ISOM_SUBTYPE_3GP_EVRC:
case GF_ISOM_SUBTYPE_3GP_SMV:
required_rate = 8000;
hintType = GF_RTP_PAYT_EVRC_SMV;
streamType = GF_STREAM_AUDIO;
oti = (TrackMediaSubType==GF_ISOM_SUBTYPE_3GP_EVRC) ? GPAC_OTI_AUDIO_EVRC_VOICE : GPAC_OTI_AUDIO_SMV_VOICE;
nb_ch = 1;
break;
case GF_ISOM_SUBTYPE_3GP_DIMS:
hintType = GF_RTP_PAYT_3GPP_DIMS;
streamType = GF_STREAM_SCENE;
break;
case GF_ISOM_SUBTYPE_AC3:
hintType = GF_RTP_PAYT_AC3;
streamType = GF_STREAM_AUDIO;
gf_isom_get_audio_info(file, TrackNum, 1, NULL, &nb_ch, NULL);
break;
default:
/*ERROR*/
hintType = 0;
break;
}
}
/*not hintable*/
if (!hintType) return NULL;
/*we only support self-contained files for hinting*/
gf_isom_get_data_reference(file, TrackNum, 1, &url, &urn);
if (url || urn) return NULL;
*e = GF_OUT_OF_MEM;
GF_SAFEALLOC(tmp, GF_RTPHinter);
if (!tmp) return NULL;
/*override hinter type if requested and possible*/
if (has_mpeg4_mapping && (flags & GP_RTP_PCK_FORCE_MPEG4)) {
hintType = GF_RTP_PAYT_MPEG4;
avc_nalu_size = 0;
}
/*use static payload ID if enabled*/
else if (OfficialPayloadID && (flags & GP_RTP_PCK_USE_STATIC_ID) ) {
PayloadID = OfficialPayloadID;
}
tmp->file = file;
tmp->TrackNum = TrackNum;
tmp->avc_nalu_size = avc_nalu_size;
tmp->nb_chan = nb_ch;
/*spatial scalability check*/
tmp->has_ctts = gf_isom_has_time_offset(file, TrackNum);
/*get sample info*/
gf_media_get_sample_average_infos(file, TrackNum, &MinSize, &MaxSize, &avgTS, &maxDTSDelta, &const_dur, &bandwidth);
/*systems carousel: we need at least IDX and RAP signaling*/
if (flags & GP_RTP_PCK_SYSTEMS_CAROUSEL) {
flags |= GP_RTP_PCK_SIGNAL_RAP;
}
/*update flags in MultiSL*/
if (flags & GP_RTP_PCK_USE_MULTI) {
if (MinSize != MaxSize) flags |= GP_RTP_PCK_SIGNAL_SIZE;
if (!const_dur) flags |= GP_RTP_PCK_SIGNAL_TS;
}
if (tmp->has_ctts) flags |= GP_RTP_PCK_SIGNAL_TS;
/*default SL for RTP */
InitSL_RTP(&my_sl);
my_sl.timestampResolution = gf_isom_get_media_timescale(file, TrackNum);
/*override clockrate if set*/
if (required_rate) {
Double sc = required_rate;
sc /= my_sl.timestampResolution;
maxDTSDelta = (u32) (maxDTSDelta*sc);
my_sl.timestampResolution = required_rate;
}
/*switch to RTP TS*/
max_ptime = (u32) (max_ptime * my_sl.timestampResolution / 1000);
my_sl.AUSeqNumLength = gf_get_bit_size(gf_isom_get_sample_count(file, TrackNum));
my_sl.CUDuration = const_dur;
if (gf_isom_has_sync_points(file, TrackNum)) {
my_sl.useRandomAccessPointFlag = 1;
} else {
my_sl.useRandomAccessPointFlag = 0;
my_sl.hasRandomAccessUnitsOnlyFlag = 1;
}
if (is_crypted) {
Bool use_sel_enc;
gf_isom_get_ismacryp_info(file, TrackNum, 1, NULL, NULL, NULL, NULL, NULL, &use_sel_enc, &IV_length, &KI_length);
if (use_sel_enc) flags |= GP_RTP_PCK_SELECTIVE_ENCRYPTION;
}
// in case a different timescale was provided
tmp->OrigTimeScale = gf_isom_get_media_timescale(file, TrackNum);
tmp->rtp_p = gf_rtp_builder_new(hintType, &my_sl, flags, tmp,
MP4T_OnNewPacket, MP4T_OnPacketDone,
/*if copy, no data ref*/
copy_media ? NULL : MP4T_OnDataRef,
MP4T_OnData);
//init the builder
gf_rtp_builder_init(tmp->rtp_p, PayloadID, Path_MTU, max_ptime,
streamType, oti, PL_ID, MinSize, MaxSize, avgTS, maxDTSDelta, IV_length, KI_length, mpeg4mode);
/*ISMA compliance is a pain...*/
if (force_dts_delta) tmp->rtp_p->slMap.DTSDeltaLength = force_dts_delta;
/* Hint Track Setup */
tmp->TrackID = gf_isom_get_track_id(file, TrackNum);
tmp->HintID = tmp->TrackID + 65535;
while (gf_isom_get_track_by_id(file, tmp->HintID)) tmp->HintID++;
tmp->HintTrack = gf_isom_new_track(file, tmp->HintID, GF_ISOM_MEDIA_HINT, my_sl.timestampResolution);
gf_isom_setup_hint_track(file, tmp->HintTrack, GF_ISOM_HINT_RTP);
/*create a hint description*/
gf_isom_new_hint_description(file, tmp->HintTrack, -1, -1, 0, &descIndex);
gf_isom_rtp_set_timescale(file, tmp->HintTrack, descIndex, my_sl.timestampResolution);
if (hintType==GF_RTP_PAYT_MPEG4) {
tmp->rtp_p->slMap.ObjectTypeIndication = oti;
/*set this SL for extraction.*/
gf_isom_set_extraction_slc(file, TrackNum, 1, &my_sl);
}
tmp->bandwidth = bandwidth;
/*set interleaving*/
gf_isom_set_track_group(file, TrackNum, InterleaveGroupID);
if (!copy_media) {
/*if we don't copy data set hint track and media track in the same group*/
gf_isom_set_track_group(file, tmp->HintTrack, InterleaveGroupID);
} else {
gf_isom_set_track_group(file, tmp->HintTrack, InterleaveGroupID + OFFSET_HINT_GROUP_ID);
}
/*use user-secified priority*/
InterleaveGroupPriority*=2;
gf_isom_set_track_priority_in_group(file, TrackNum, InterleaveGroupPriority+1);
gf_isom_set_track_priority_in_group(file, tmp->HintTrack, InterleaveGroupPriority);
#if 0
/*QT FF: not setting these flags = server uses a random offset*/
gf_isom_rtp_set_time_offset(file, tmp->HintTrack, 1, 0);
/*we don't use seq offset for maintainance pruposes*/
gf_isom_rtp_set_time_sequence_offset(file, tmp->HintTrack, 1, 0);
#endif
*e = GF_OK;
return tmp;
}
static GF_Err gf_sm_load_run_isom(GF_SceneLoader *load)
{
GF_Err e;
FILE *logs;
u32 i, j, di, nbBifs, nbLaser, nb_samp, samp_done, init_offset;
GF_StreamContext *sc;
GF_ESD *esd;
GF_ODCodec *od_dec;
#ifndef GPAC_DISABLE_BIFS
GF_BifsDecoder *bifs_dec;
#endif
#ifndef GPAC_DISABLE_LASER
GF_LASeRCodec *lsr_dec;
#endif
if (!load || !load->isom) return GF_BAD_PARAM;
nbBifs = nbLaser = 0;
e = GF_OK;
#ifndef GPAC_DISABLE_BIFS
bifs_dec = gf_bifs_decoder_new(load->scene_graph, 1);
gf_bifs_decoder_set_extraction_path(bifs_dec, load->localPath, load->fileName);
#endif
od_dec = gf_odf_codec_new();
logs = NULL;
#ifndef GPAC_DISABLE_LASER
lsr_dec = gf_laser_decoder_new(load->scene_graph);
#endif
esd = NULL;
/*load each stream*/
nb_samp = 0;
for (i=0; i<gf_isom_get_track_count(load->isom); i++) {
u32 type = gf_isom_get_media_type(load->isom, i+1);
switch (type) {
case GF_ISOM_MEDIA_SCENE:
case GF_ISOM_MEDIA_OD:
nb_samp += gf_isom_get_sample_count(load->isom, i+1);
break;
default:
break;
}
}
samp_done = 1;
gf_isom_text_set_streaming_mode(load->isom, 1);
for (i=0; i<gf_isom_get_track_count(load->isom); i++) {
u32 type = gf_isom_get_media_type(load->isom, i+1);
switch (type) {
case GF_ISOM_MEDIA_SCENE:
case GF_ISOM_MEDIA_OD:
break;
default:
continue;
}
esd = gf_isom_get_esd(load->isom, i+1, 1);
if (!esd) continue;
if ((esd->decoderConfig->objectTypeIndication == GPAC_OTI_SCENE_AFX) ||
(esd->decoderConfig->objectTypeIndication == GPAC_OTI_SCENE_SYNTHESIZED_TEXTURE)
) {
nb_samp += gf_isom_get_sample_count(load->isom, i+1);
continue;
}
sc = gf_sm_stream_new(load->ctx, esd->ESID, esd->decoderConfig->streamType, esd->decoderConfig->objectTypeIndication);
sc->streamType = esd->decoderConfig->streamType;
sc->ESID = esd->ESID;
sc->objectType = esd->decoderConfig->objectTypeIndication;
sc->timeScale = gf_isom_get_media_timescale(load->isom, i+1);
/*we still need to reconfig the BIFS*/
if (esd->decoderConfig->streamType==GF_STREAM_SCENE) {
#ifndef GPAC_DISABLE_BIFS
/*BIFS*/
if (esd->decoderConfig->objectTypeIndication<=2) {
if (!esd->dependsOnESID && nbBifs && !i)
mp4_report(load, GF_OK, "several scene namespaces used or improper scene dependencies in file - import may be incorrect");
if (!esd->decoderConfig->decoderSpecificInfo) {
/* Hack for T-DMB non compliant streams */
e = gf_bifs_decoder_configure_stream(bifs_dec, esd->ESID, NULL, 0, esd->decoderConfig->objectTypeIndication);
} else {
e = gf_bifs_decoder_configure_stream(bifs_dec, esd->ESID, esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, esd->decoderConfig->objectTypeIndication);
}
if (e) goto exit;
nbBifs++;
}
#endif
#ifndef GPAC_DISABLE_LASER
/*LASER*/
if (esd->decoderConfig->objectTypeIndication==0x09) {
if (!esd->dependsOnESID && nbBifs && !i)
mp4_report(load, GF_OK, "several scene namespaces used or improper scene dependencies in file - import may be incorrect");
e = gf_laser_decoder_configure_stream(lsr_dec, esd->ESID, esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength);
if (e) goto exit;
nbLaser++;
}
#endif
}
init_offset = 0;
/*dump all AUs*/
for (j=0; j<gf_isom_get_sample_count(load->isom, i+1); j++) {
GF_AUContext *au;
GF_ISOSample *samp = gf_isom_get_sample(load->isom, i+1, j+1, &di);
if (!samp) {
mp4_report(load, gf_isom_last_error(load->isom), "Unable to fetch sample %d from track ID %d - aborting track import", j+1, gf_isom_get_track_id(load->isom, i+1));
break;
}
/*check if track has initial offset*/
if (!j && gf_isom_get_edit_segment_count(load->isom, i+1)) {
u64 EditTime, dur, mtime;
u8 mode;
gf_isom_get_edit_segment(load->isom, i+1, 1, &EditTime, &dur, &mtime, &mode);
if (mode==GF_ISOM_EDIT_EMPTY) {
init_offset = (u32) (dur * sc->timeScale / gf_isom_get_timescale(load->isom) );
}
}
samp->DTS += init_offset;
au = gf_sm_stream_au_new(sc, samp->DTS, ((Double)(s64) samp->DTS) / sc->timeScale, (samp->IsRAP==RAP) ? 1 : 0);
if (esd->decoderConfig->streamType==GF_STREAM_SCENE) {
#ifndef GPAC_DISABLE_BIFS
if (esd->decoderConfig->objectTypeIndication<=2)
e = gf_bifs_decode_command_list(bifs_dec, esd->ESID, samp->data, samp->dataLength, au->commands);
#endif
#ifndef GPAC_DISABLE_LASER
if (esd->decoderConfig->objectTypeIndication==0x09)
e = gf_laser_decode_command_list(lsr_dec, esd->ESID, samp->data, samp->dataLength, au->commands);
#endif
} else {
e = gf_odf_codec_set_au(od_dec, samp->data, samp->dataLength);
if (!e) e = gf_odf_codec_decode(od_dec);
if (!e) {
while (1) {
GF_ODCom *odc = gf_odf_codec_get_com(od_dec);
if (!odc) break;
/*update ESDs if any*/
UpdateODCommand(load->isom, odc);
gf_list_add(au->commands, odc);
}
}
}
gf_isom_sample_del(&samp);
if (e) {
mp4_report(load, gf_isom_last_error(load->isom), "decoding sample %d from track ID %d failed", j+1, gf_isom_get_track_id(load->isom, i+1));
goto exit;
}
samp_done++;
gf_set_progress("MP4 Loading", samp_done, nb_samp);
}
gf_odf_desc_del((GF_Descriptor *) esd);
esd = NULL;
}
gf_isom_text_set_streaming_mode(load->isom, 0);
exit:
#ifndef GPAC_DISABLE_BIFS
gf_bifs_decoder_del(bifs_dec);
#endif
gf_odf_codec_del(od_dec);
#ifndef GPAC_DISABLE_LASER
gf_laser_decoder_del(lsr_dec);
#endif
if (esd) gf_odf_desc_del((GF_Descriptor *) esd);
if (logs) gf_fclose(logs);
return e;
}
GF_Err ISOR_ConnectChannel(GF_InputService *plug, LPNETCHANNEL channel, const char *url, Bool upstream)
{
u32 ESID;
ISOMChannel *ch;
GF_NetworkCommand com;
u32 track;
Bool is_esd_url;
GF_Err e;
ISOMReader *read;
if (!plug || !plug->priv) return GF_SERVICE_ERROR;
read = (ISOMReader *) plug->priv;
track = 0;
ch = NULL;
is_esd_url = 0;
e = GF_OK;
if (upstream) {
e = GF_ISOM_INVALID_FILE;
goto exit;
}
if (!read->mov) return GF_SERVICE_ERROR;
if (strstr(url, "ES_ID")) {
sscanf(url, "ES_ID=%ud", &ESID);
} else {
/*handle url like mypath/myfile.mp4#trackID*/
char *track_id = strrchr(url, '.');
if (track_id) {
track_id = strchr(url, '#');
if (track_id) track_id ++;
}
is_esd_url = 1;
ESID = 0;
/*if only one track ok*/
if (gf_isom_get_track_count(read->mov)==1) ESID = gf_isom_get_track_id(read->mov, 1);
else if (track_id) {
ESID = atoi(track_id);
track = gf_isom_get_track_by_id(read->mov, (u32) ESID);
if (!track) ESID = 0;
}
}
if (!ESID) {
e = GF_NOT_SUPPORTED;
goto exit;
}
/*a channel cannot be open twice, it has to be closed before - NOTE a track is NOT a channel and the user can open
several times the same track as long as a dedicated channel is used*/
ch = isor_get_channel(read, channel);
if (ch) {
e = GF_SERVICE_ERROR;
goto exit;
}
track = gf_isom_get_track_by_id(read->mov, (u32) ESID);
if (!track) {
e = GF_STREAM_NOT_FOUND;
goto exit;
}
GF_SAFEALLOC(ch, ISOMChannel);
ch->owner = read;
ch->channel = channel;
gf_list_add(read->channels, ch);
ch->track = track;
switch (gf_isom_get_media_type(ch->owner->mov, ch->track)) {
case GF_ISOM_MEDIA_OCR:
ch->streamType = GF_STREAM_OCR;
break;
case GF_ISOM_MEDIA_SCENE:
ch->streamType = GF_STREAM_SCENE;
break;
}
ch->has_edit_list = gf_isom_get_edit_segment_count(ch->owner->mov, ch->track) ? 1 : 0;
ch->has_rap = (gf_isom_has_sync_points(ch->owner->mov, ch->track)==1) ? 1 : 0;
ch->time_scale = gf_isom_get_media_timescale(ch->owner->mov, ch->track);
exit:
gf_term_on_connect(read->service, channel, e);
/*if esd url reconfig SL layer*/
if (!e && is_esd_url) {
GF_ESD *esd;
memset(&com, 0, sizeof(GF_NetworkCommand));
com.base.on_channel = channel;
com.command_type = GF_NET_CHAN_RECONFIG;
esd = gf_isom_get_esd(read->mov, ch->track, 1);
if (esd) {
memcpy(&com.cfg.sl_config, esd->slConfig, sizeof(GF_SLConfig));
gf_odf_desc_del((GF_Descriptor *)esd);
} else {
com.cfg.sl_config.tag = GF_ODF_SLC_TAG;
com.cfg.sl_config.timestampLength = 32;
com.cfg.sl_config.timestampResolution = ch->time_scale;
com.cfg.sl_config.useRandomAccessPointFlag = 1;
}
gf_term_on_command(read->service, &com, GF_OK);
}
if (!e && track && gf_isom_is_track_encrypted(read->mov, track)) {
memset(&com, 0, sizeof(GF_NetworkCommand));
com.base.on_channel = channel;
com.command_type = GF_NET_CHAN_DRM_CFG;
ch->is_encrypted = 1;
if (gf_isom_is_ismacryp_media(read->mov, track, 1)) {
gf_isom_get_ismacryp_info(read->mov, track, 1, NULL, &com.drm_cfg.scheme_type, &com.drm_cfg.scheme_version, &com.drm_cfg.scheme_uri, &com.drm_cfg.kms_uri, NULL, NULL, NULL);
gf_term_on_command(read->service, &com, GF_OK);
} else if (gf_isom_is_omadrm_media(read->mov, track, 1)) {
gf_isom_get_omadrm_info(read->mov, track, 1, NULL, &com.drm_cfg.scheme_type, &com.drm_cfg.scheme_version, &com.drm_cfg.contentID, &com.drm_cfg.kms_uri, &com.drm_cfg.oma_drm_textual_headers, &com.drm_cfg.oma_drm_textual_headers_len, NULL, &com.drm_cfg.oma_drm_crypt_type, NULL, NULL, NULL);
gf_media_get_file_hash(gf_isom_get_filename(read->mov), com.drm_cfg.hash);
gf_term_on_command(read->service, &com, GF_OK);
}
}
return e;
}
GF_Err ISOR_ServiceCommand(GF_InputService *plug, GF_NetworkCommand *com)
{
Double track_dur, media_dur;
ISOMChannel *ch;
ISOMReader *read;
if (!plug || !plug->priv || !com) return GF_SERVICE_ERROR;
read = (ISOMReader *) plug->priv;
if (com->command_type==GF_NET_SERVICE_INFO) {
u32 tag_len;
const char *tag;
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_NAME, &tag, &tag_len)==GF_OK) com->info.name = tag;
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_ARTIST, &tag, &tag_len)==GF_OK) com->info.artist = tag;
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_ALBUM, &tag, &tag_len)==GF_OK) com->info.album = tag;
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_COMMENT, &tag, &tag_len)==GF_OK) com->info.comment = tag;
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_TRACK, &tag, &tag_len)==GF_OK) {
com->info.track_info = (((tag[2]<<8)|tag[3]) << 16) | ((tag[4]<<8)|tag[5]);
}
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_COMPOSER, &tag, &tag_len)==GF_OK) com->info.composer = tag;
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_WRITER, &tag, &tag_len)==GF_OK) com->info.writer = tag;
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_GENRE, &tag, &tag_len)==GF_OK) {
if (tag[0]) {
com->info.genre = 0;
} else {
com->info.genre = (tag[0]<<8) | tag[1];
}
}
return GF_OK;
}
if (com->command_type==GF_NET_SERVICE_HAS_AUDIO) {
u32 i, count;
count = gf_isom_get_track_count(read->mov);
for (i=0; i<count; i++) {
if (gf_isom_get_media_type(read->mov, i+1) == GF_ISOM_MEDIA_AUDIO) return GF_OK;
}
return GF_NOT_SUPPORTED;
}
if (!com->base.on_channel) return GF_NOT_SUPPORTED;
ch = isor_get_channel(read, com->base.on_channel);
if (!ch) return GF_STREAM_NOT_FOUND;
switch (com->command_type) {
case GF_NET_CHAN_SET_PADDING:
if (!ch->track) return GF_OK;
gf_isom_set_sample_padding(read->mov, ch->track, com->pad.padding_bytes);
return GF_OK;
case GF_NET_CHAN_SET_PULL:
ch->is_pulling = 1;
return GF_OK;
case GF_NET_CHAN_INTERACTIVE:
return GF_OK;
case GF_NET_CHAN_BUFFER:
com->buffer.max = com->buffer.min = 0;
return GF_OK;
case GF_NET_CHAN_DURATION:
if (!ch->track) {
com->duration.duration = 0;
return GF_OK;
}
ch->duration = gf_isom_get_track_duration(read->mov, ch->track);
track_dur = (Double) (s64) ch->duration;
track_dur /= read->time_scale;
if (gf_isom_get_edit_segment_count(read->mov, ch->track)) {
com->duration.duration = (Double) track_dur;
ch->duration = (u32) (track_dur * ch->time_scale);
} else {
/*some file indicate a wrong TrackDuration, get the longest*/
ch->duration = gf_isom_get_media_duration(read->mov, ch->track);
media_dur = (Double) (s64) ch->duration;
media_dur /= ch->time_scale;
com->duration.duration = MAX(track_dur, media_dur);
}
return GF_OK;
case GF_NET_CHAN_PLAY:
if (!ch->is_pulling) return GF_NOT_SUPPORTED;
assert(!ch->is_playing);
isor_reset_reader(ch);
ch->speed = com->play.speed;
ch->start = ch->end = 0;
if (com->play.speed>0) {
if (com->play.start_range>=0) {
ch->start = (u64) (s64) (com->play.start_range * ch->time_scale);
ch->start = check_round(ch, ch->start, com->play.start_range, 1);
}
if (com->play.end_range >= com->play.start_range) {
ch->end = (u64) (s64) (com->play.end_range*ch->time_scale);
ch->end = check_round(ch, ch->end, com->play.end_range, 0);
}
} else if (com->play.speed<0) {
if (com->play.end_range>=com->play.start_range) ch->start = (u64) (s64) (com->play.start_range * ch->time_scale);
if (com->play.end_range >= 0) ch->end = (u64) (s64) (com->play.end_range*ch->time_scale);
}
ch->is_playing = 1;
if (com->play.dash_segment_switch) ch->wait_for_segment_switch = 1;
GF_LOG(GF_LOG_DEBUG, GF_LOG_NETWORK, ("[IsoMedia] Starting channel playback "LLD" to "LLD" (%g to %g)\n", ch->start, ch->end, com->play.start_range, com->play.end_range));
return GF_OK;
case GF_NET_CHAN_STOP:
isor_reset_reader(ch);
return GF_OK;
/*nothing to do on MP4 for channel config*/
case GF_NET_CHAN_CONFIG:
return GF_OK;
case GF_NET_CHAN_GET_PIXEL_AR:
return gf_isom_get_pixel_aspect_ratio(read->mov, ch->track, 1, &com->par.hSpacing, &com->par.vSpacing);
case GF_NET_CHAN_GET_DSI:
{
/*it may happen that there are conflicting config when using ESD URLs...*/
GF_DecoderConfig *dcd = gf_isom_get_decoder_config(read->mov, ch->track, 1);
com->get_dsi.dsi = NULL;
com->get_dsi.dsi_len = 0;
if (dcd) {
if (dcd->decoderSpecificInfo) {
com->get_dsi.dsi = dcd->decoderSpecificInfo->data;
com->get_dsi.dsi_len = dcd->decoderSpecificInfo->dataLength;
dcd->decoderSpecificInfo->data = NULL;
}
gf_odf_desc_del((GF_Descriptor *) dcd);
}
}
return GF_OK;
}
return GF_NOT_SUPPORTED;
}
GF_Err ISOR_ServiceCommand(GF_InputService *plug, GF_NetworkCommand *com)
{
Double track_dur, media_dur;
ISOMChannel *ch;
ISOMReader *read;
u32 count, i;
if (!plug || !plug->priv || !com) return GF_SERVICE_ERROR;
read = (ISOMReader *) plug->priv;
if (read->disconnected) return GF_OK;
if (com->command_type==GF_NET_SERVICE_INFO) {
u32 tag_len;
const char *tag;
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_NAME, &tag, &tag_len)==GF_OK) com->info.name = tag;
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_ARTIST, &tag, &tag_len)==GF_OK) com->info.artist = tag;
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_ALBUM, &tag, &tag_len)==GF_OK) com->info.album = tag;
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_COMMENT, &tag, &tag_len)==GF_OK) com->info.comment = tag;
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_TRACK, &tag, &tag_len)==GF_OK) {
com->info.track_info = (((tag[2]<<8)|tag[3]) << 16) | ((tag[4]<<8)|tag[5]);
}
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_COMPOSER, &tag, &tag_len)==GF_OK) com->info.composer = tag;
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_WRITER, &tag, &tag_len)==GF_OK) com->info.writer = tag;
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_GENRE, &tag, &tag_len)==GF_OK) {
if (tag[0]) {
com->info.genre = 0;
} else {
com->info.genre = (tag[0]<<8) | tag[1];
}
}
return GF_OK;
}
if (com->command_type==GF_NET_SERVICE_HAS_AUDIO) {
u32 i, count;
count = gf_isom_get_track_count(read->mov);
for (i=0; i<count; i++) {
if (gf_isom_get_media_type(read->mov, i+1) == GF_ISOM_MEDIA_AUDIO) return GF_OK;
}
return GF_NOT_SUPPORTED;
}
if (com->command_type == GF_NET_SERVICE_QUALITY_SWITCH)
{
count = gf_list_count(read->channels);
for (i = 0; i < count; i++)
{
ch = (ISOMChannel *)gf_list_get(read->channels, i);
if (gf_isom_has_scalable_layer(read->mov)) {
ch->next_track = gf_channel_switch_quality(ch, read->mov, com->switch_quality.up);
}
}
return GF_OK;
}
if (com->command_type == GF_NET_SERVICE_PROXY_DATA_RECEIVE) {
isor_flush_data(read, 1, com->proxy_data.is_chunk);
return GF_OK;
}
if (com->command_type == GF_NET_SERVICE_FLUSH_DATA) {
if (read->nb_playing && plug->query_proxy)
isor_flush_data(read, 0, 0);
return GF_OK;
}
if (com->command_type == GF_NET_SERVICE_CAN_REVERSE_PLAYBACK)
return GF_OK;
if (!com->base.on_channel) return GF_NOT_SUPPORTED;
ch = isor_get_channel(read, com->base.on_channel);
if (!ch) return GF_STREAM_NOT_FOUND;
switch (com->command_type) {
case GF_NET_CHAN_SET_PADDING:
if (!ch->track) return GF_OK;
gf_isom_set_sample_padding(read->mov, ch->track, com->pad.padding_bytes);
return GF_OK;
case GF_NET_CHAN_SET_PULL:
//we don't pull in DASH base services, we flush as soon as we have a complete segment
#ifndef DASH_USE_PULL
if (read->input->proxy_udta && !read->input->proxy_type)
return GF_NOT_SUPPORTED;
#endif
ch->is_pulling = 1;
return GF_OK;
case GF_NET_CHAN_INTERACTIVE:
return GF_OK;
case GF_NET_CHAN_BUFFER:
//dash or HTTP, do rebuffer if not disabled
if (plug->query_proxy) {
} else if (read->dnload) {
ch->buffer_min = com->buffer.min;
ch->buffer_max = com->buffer.max;
} else {
com->buffer.max = com->buffer.min = 0;
}
return GF_OK;
case GF_NET_CHAN_DURATION:
if (!ch->track) {
com->duration.duration = 0;
return GF_OK;
}
ch->duration = gf_isom_get_track_duration(read->mov, ch->track);
track_dur = (Double) (s64) ch->duration;
track_dur /= read->time_scale;
if (gf_isom_get_edit_segment_count(read->mov, ch->track)) {
com->duration.duration = (Double) track_dur;
ch->duration = (u32) (track_dur * ch->time_scale);
} else {
/*some file indicate a wrong TrackDuration, get the longest*/
ch->duration = gf_isom_get_media_duration(read->mov, ch->track);
media_dur = (Double) (s64) ch->duration;
media_dur /= ch->time_scale;
com->duration.duration = MAX(track_dur, media_dur);
}
return GF_OK;
case GF_NET_CHAN_PLAY:
gf_mx_p(read->segment_mutex);
isor_reset_reader(ch);
ch->speed = com->play.speed;
read->reset_frag_state = 1;
if (read->frag_type)
read->frag_type = 1;
gf_mx_v(read->segment_mutex);
ch->start = ch->end = 0;
if (com->play.speed>0) {
if (com->play.start_range>=0) {
ch->start = (u64) (s64) (com->play.start_range * ch->time_scale);
ch->start = check_round(ch, ch->start, com->play.start_range, 1);
}
if (com->play.end_range >= com->play.start_range) {
ch->end = (u64) (s64) (com->play.end_range*ch->time_scale);
ch->end = check_round(ch, ch->end, com->play.end_range, 0);
}
} else if (com->play.speed<0) {
Double end = com->play.end_range;
if (end==-1) end = 0;
ch->start = (u64) (s64) (com->play.start_range * ch->time_scale);
if (end <= com->play.start_range)
ch->end = (u64) (s64) (end * ch->time_scale);
}
ch->is_playing = 1;
if (com->play.dash_segment_switch) ch->wait_for_segment_switch = 1;
GF_LOG(GF_LOG_DEBUG, GF_LOG_NETWORK, ("[IsoMedia] Starting channel playback "LLD" to "LLD" (%g to %g)\n", ch->start, ch->end, com->play.start_range, com->play.end_range));
//and check buffer level on play request
isor_check_buffer_level(read);
read->nb_playing++;
return GF_OK;
case GF_NET_CHAN_STOP:
if (read->nb_playing) read->nb_playing--;
isor_reset_reader(ch);
return GF_OK;
case GF_NET_CHAN_SET_SPEED:
gf_mx_p(read->segment_mutex);
ch->speed = com->play.speed;
gf_mx_v(read->segment_mutex);
return GF_OK;
/*nothing to do on MP4 for channel config*/
case GF_NET_CHAN_CONFIG:
return GF_OK;
case GF_NET_CHAN_GET_PIXEL_AR:
return gf_isom_get_pixel_aspect_ratio(read->mov, ch->track, 1, &com->par.hSpacing, &com->par.vSpacing);
case GF_NET_CHAN_GET_DSI:
{
/*it may happen that there are conflicting config when using ESD URLs...*/
GF_DecoderConfig *dcd = gf_isom_get_decoder_config(read->mov, ch->track, 1);
com->get_dsi.dsi = NULL;
com->get_dsi.dsi_len = 0;
if (dcd) {
if (dcd->decoderSpecificInfo) {
com->get_dsi.dsi = dcd->decoderSpecificInfo->data;
com->get_dsi.dsi_len = dcd->decoderSpecificInfo->dataLength;
dcd->decoderSpecificInfo->data = NULL;
}
gf_odf_desc_del((GF_Descriptor *) dcd);
}
return GF_OK;
}
case GF_NET_CHAN_NALU_MODE:
ch->nalu_extract_mode = GF_ISOM_NALU_EXTRACT_INBAND_PS_FLAG;
ch->disable_seek = 1;
//when this is set, we work in real scalable (eg N streams reassembled by the player) so only extract the layer. This wll need refinements if we plan to support
//several scalable layers ...
if (com->nalu_mode.extract_mode==1) {
ch->nalu_extract_mode |= GF_ISOM_NALU_EXTRACT_ANNEXB_FLAG | GF_ISOM_NALU_EXTRACT_VDRD_FLAG | GF_ISOM_NALU_EXTRACT_LAYER_ONLY;
}
gf_isom_set_nalu_extract_mode(ch->owner->mov, ch->track, ch->nalu_extract_mode);
break;
default:
break;
}
return GF_NOT_SUPPORTED;
}
